|7n+2|=54

Lösung

∣ 7 n + 2 ∣ = 54

n = - 8 or n = \frac{52}{7}

Dezimale

n = - 8, n = 7.42857 \dots

Schritte zur Lösung

∣ 7 n + 2 ∣ = 54

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

7 n + 2 = - 54 or 7 n + 2 = 54

7 n + 2 = - 54 or 7 n + 2 = 54

n = - 8 or n = \frac{52}{7}

0 = ∣ y + 6 ∣

∣ 2 x ∣ + 1 = 7

\frac{1}{3} x + 6 = 9

∣ x + 8 ∣ = - 6

- 5 + ∣ 7 - 10 m ∣ = 8